1.

Which of thefollowingstatements is correctwhenSO_(2) is passedthroughacidified K_(2) Cr_(2) O_(7) solution ?

Answer»

Thesolutionturnsblue
the solutionis DECOLOURIZED
GREEN `Cr_(2) (SO)_(4)` is FORMED
`SO_(2)` isreduced

Answer :C


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